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[inkscape.git] / src / sp-polygon.cpp

diff --git a/src/sp-polygon.cpp b/src/sp-polygon.cpp
index 88b155e8e6761060069d3990c3476b983085b23f..1067da72e7613ea1a6cab95d24f5a89afd6866d8 100644 (file)
--- a/src/sp-polygon.cpp
+++ b/src/sp-polygon.cpp
@@ -1,10 +1,9 @@
-#define __SP_POLYGON_C__
-
 /*
  * SVG <polygon> implementation
  *
  * Authors:
  *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Abhishek Sharma
  *
  * Copyright (C) 1999-2002 Lauris Kaplinski
  * Copyright (C) 2000-2001 Ximian, Inc.
@@ -18,7 +17,10 @@
 #include "sp-polygon.h"
 #include "display/curve.h"
 #include <glibmm/i18n.h>
-#include "libnr/n-art-bpath.h"
+#include <2geom/pathvector.h>
+#include <2geom/bezier-curve.h>
+#include <2geom/hvlinesegment.h>
+#include "helper/geom-curves.h"
 #include "svg/stringstream.h"
 #include "xml/repr.h"
 #include "document.h"
@@ -81,33 +83,27 @@ static void sp_polygon_build(SPObject *object, SPDocument *document, Inkscape::X
         ((SPObjectClass *) parent_class)->build(object, document, repr);
     }
 
-    sp_object_read_attr(object, "points");
+    object->readAttr( "points" );
 }
 
 
 /*
  * sp_svg_write_polygon: Write points attribute for polygon tag.
- * @bpath:
- *
+ * pathv may only contain paths with only straight line segments
  * Return value: points attribute string.
  */
-static gchar *sp_svg_write_polygon(const NArtBpath *bpath)
+static gchar *sp_svg_write_polygon(Geom::PathVector const & pathv)
 {
-    g_return_val_if_fail(bpath != NULL, NULL);
-
     Inkscape::SVGOStringStream os;
 
-    for (int i = 0; bpath[i].code != NR_END; i++) {
-        switch (bpath [i].code) {
-            case NR_LINETO:
-            case NR_MOVETO:
-            case NR_MOVETO_OPEN:
-                os << bpath [i].x3 << "," << bpath [i].y3 << " ";
-                break;
-
-            case NR_CURVETO:
-            default:
-                g_assert_not_reached();
+    for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit) {
+        for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_default(); ++cit) {
+            if ( is_straight_curve(*cit) )
+            {
+                os << cit->finalPoint()[0] << "," << cit->finalPoint()[1] << " ";
+            } else {
+                g_error("sp_svg_write_polygon: polygon path contains non-straight line segments");
+            }
         }
     }
 
@@ -119,15 +115,14 @@ static Inkscape::XML::Node *sp_polygon_write(SPObject *object, Inkscape::XML::Do
     SPShape *shape = SP_SHAPE(object);
     // Tolerable workaround: we need to update the object's curve before we set points=
     // because it's out of sync when e.g. some extension attrs of the polygon or star are changed in XML editor
-    sp_shape_set_shape(shape);
+    shape->setShape();
 
     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
         repr = xml_doc->createElement("svg:polygon");
     }
 
     /* We can safely write points here, because all subclasses require it too (Lauris) */
-    NArtBpath const * abp = shape->curve->get_bpath();
-    gchar *str = sp_svg_write_polygon(abp);
+    gchar *str = sp_svg_write_polygon(shape->curve->get_pathvector());
     repr->setAttribute("points", str);
     g_free(str);
 
@@ -213,7 +208,7 @@ void sp_polygon_set(SPObject *object, unsigned int key, const gchar *value)
                  * a single-point polygon in SPCurve. TODO: add a testcase with only one coordinate pair */
                 curve->closepath();
             }
-            sp_shape_set_curve(SP_SHAPE(polygon), curve, TRUE);
+            (SP_SHAPE(polygon))->setCurve(curve, TRUE);
             curve->unref();
             break;
         }